This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. not developed or used

adj. lagging behind others, especially in economic or social matters

adj. undeveloped or unused

adj. not developed

"This may work in undeveloped countries but the first time a USA based CEO gets a poor quality call of which we have all had lots on Skype that box will be relegated to the dustbin."

untapped    fallow    rudimentary    vestigial    budding   

rudimentary    embryonal    rude    embryonary    embryonic    primordial    perennial    immature    unbaked   

developed    enveloped    underdeveloped   

immature    dormant    unexplored    undiscovered    unsuspected    unformed    uneducated    unable    unused    uncultivated